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"Alex was great! Good communicator and did a great job explaining what he did and how my system was looking before and after."

"This is the second A/C and heating system Opach has done. I have two new A/C I am very pleased with Opach .I will recommend them very friendly and professional."

"Very professional. Very interested in pleasing customer. They installed a new furnace which seemed expensive for a retiree"

"So excited about my AC system that the company installed was very professional explain everything perfectly and also had excellent financing that kept me around affordable payment"

"Another service came out and said I needed an $800+ fix. I called Aire Serv to get a second opinion and they not only stuck with it until they fixed my AC, (it took a couple Of visits but they only charged me for one) they did it without needing the expensive part the other one tried to sell me. They were very responsive, helpful and educational"

"The technician that came out was fast efficient and very knowledgeable. Pretty fair price as well. What more could you ask for?"

"Service Technician was very helpful in explaining about my air purifier system - that it had a lifetime warranty and was worth having to replace a very expensive bulb."

"Everything went smoothly for the installation and purchase of my whole home generator. I decided to go with Kohler because of the natural gas powered engine. The installation process took about 6 days, but there was clear communication the whole time from ATS. 10/10 recommend."

Hiller Plumbing, Heating, Cooling, & Electrical, established in 1990, stands for quality and reliability. With our 'Happy You'll Be or the Service is Free' guarantee, we are dedicated to customer satisfaction in Memphis, TN and the surrounding communities. Our plumbers provide emergency repairs, sewer line service, and expert installation or repair of water heaters. Our HVAC specialists ensure your comfort with preventative maintenance, air conditioning and furnace repairs, for year-round comfort. Our licensed and insured electricians offer prompt emergency response, custom upgrades, and safe, thorough electrical fixes for both residential and commercial properties. Hiller is your trusted provider for all your home service needs.

We have the experience and we are committed to providing quality workmanship and superior customer service on all our applications. We at Environmental Technical Services strive to maintain our reputation as a high quality, very service oriented company with our main focus being customer satisfaction.